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Update app.py
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app.py
CHANGED
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@@ -2,261 +2,281 @@ import os
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import asyncio
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import logging
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import tempfile
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import
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import
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from
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from moviepy.config import change_settings
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# Configura ImageMagick antes de otros imports
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change_settings({"IMAGEMAGICK_BINARY": "/usr/bin/convert"})
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# Ahora importa los componentes de MoviePy
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from moviepy.editor import VideoFileClip, AudioFileClip, CompositeAudioClip, ColorClip, TextClip, CompositeVideoClip, concatenate_audioclips
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import edge_tts
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import gradio as gr
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logging.FileHandler("video_generator.log"),
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logging.StreamHandler()
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]
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)
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logger = logging.getLogger(__name__)
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#
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"""Elimina archivos temporales con más de 24 horas"""
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now = time.time()
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cutoff = now - (24 * 3600)
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for filename in os.listdir(TEMP_DIR):
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file_path = os.path.join(TEMP_DIR, filename)
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if os.path.isfile(file_path):
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file_time = os.path.getmtime(file_path)
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if file_time < cutoff:
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try:
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os.remove(file_path)
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logger.info(f"Eliminado archivo antiguo: {filename}")
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except Exception as e:
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logger.error(f"Error al eliminar {filename}: {e}")
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"""
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try:
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logger.info(f"Generando TTS para texto de {len(text)} caracteres")
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communicate = edge_tts.Communicate(text, voice)
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await communicate.save(output_path)
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except Exception as e:
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logger.error(f"Error
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raise
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def
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"""
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try:
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return
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except Exception as e:
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logger.error(f"Error al
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def create_video_with_text(text, duration, size=(1280, 720)):
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"""Crea un video simple con texto centrado"""
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try:
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#
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#
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except Exception as e:
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logger.error(f"Error
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async def generate_video_content(text, background_music=None, use_tts=True):
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"""Función principal que genera el contenido del video"""
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try:
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voice_path = await text_to_speech(text)
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main_audio = AudioFileClip(voice_path)
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else:
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main_audio = AudioFileClip(lambda t: 0, duration=estimated_duration)
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duration = main_audio.duration
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# 2. Procesar música de fondo
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final_audio = main_audio
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if background_music:
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try:
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bg_music_loop = create_audio_loop(background_music, duration).volumex(0.2)
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final_audio = CompositeAudioClip([bg_music_loop, main_audio])
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except Exception as e:
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logger.error(f"Error al procesar música de fondo, continuando sin ella: {e}")
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# 3. Crear video
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video_clip = create_video_with_text(text, duration)
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video_clip = video_clip.set_audio(final_audio)
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# 4. Guardar resultado
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output_path = os.path.join(TEMP_DIR, f"video_{datetime.now().strftime('%Y%m%d%H%M%S')}.mp4")
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video_clip.write_videofile(
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output_path,
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fps=24,
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threads=4,
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codec='libx264',
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audio_codec='aac',
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preset='fast',
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logger=None
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)
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return output_path
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except Exception as e:
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logger.error(f"Error
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# Cerrar todos los clips para liberar recursos
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if 'main_audio' in locals():
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main_audio.close()
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if 'bg_music_loop' in locals():
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bg_music_loop.close()
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if 'video_clip' in locals():
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video_clip.close()
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# Interfaz Gradio
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with gr.Blocks(
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gr.Markdown("""
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""")
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with gr.Row():
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with gr.Column():
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text_input = gr.Textbox(
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label="Texto del Video",
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placeholder="Escribe aquí el contenido de tu video...",
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lines=5,
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max_lines=20
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)
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with gr.Accordion("Opciones Avanzadas", open=False):
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use_tts = gr.Checkbox(
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label="Usar Texto a Voz (TTS)",
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value=True
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)
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voice_selector = gr.Dropdown(
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label="Voz TTS",
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choices=["es-ES-ElviraNeural", "es-MX-DaliaNeural", "es-US-AlonsoNeural"],
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value="es-ES-ElviraNeural",
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visible=True
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)
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bg_music = gr.Audio(
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label="Música de Fondo",
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type="filepath",
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sources=["upload"],
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format="mp3"
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)
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generate_btn = gr.Button("Generar Video", variant="primary")
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with gr.Column():
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video_output = gr.Video(
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label="Video Resultante",
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format="mp4",
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interactive=False
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)
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status_output = gr.Textbox(
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label="Estado",
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interactive=False
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)
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#
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text=text,
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use_tts=use_tts,
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background_music=bg_music
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)
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)
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return video_path, "✅ Video generado con éxito"
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except Exception as e:
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logger.error(f"Error en la generación: {str(e)}")
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return None, f"❌ Error: {str(e)}"
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generate_btn.click(
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fn=generate_video,
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inputs=[text_input, use_tts, voice_selector, bg_music],
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outputs=[video_output, status_output]
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)
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if __name__ == "__main__":
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# Configuración del servidor
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app.launch(
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server_name="0.0.0.0",
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server_port=7860,
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show_error=True,
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share=False,
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favicon_path=None
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)
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import asyncio
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import logging
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import tempfile
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import requests
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from datetime import datetime
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from moviepy.editor import VideoFileClip, concatenate_videoclips, AudioFileClip, CompositeAudioClip
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import edge_tts
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import gradio as gr
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from transformers import GPT2Tokenizer, GPT2LMHeadModel
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import torch
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# --- Configuración de Logging ---
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
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logger = logging.getLogger(__name__)
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# --- Inicialización de Tokenizer y Modelo GPT-2 ---
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# Especificamos un modelo más pequeño para una generación más rápida y menos exigente en recursos
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# Puedes cambiarlo a "gpt2" si tienes suficiente RAM y GPU
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MODEL_NAME = "gpt2-small" # O "gpt2"
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try:
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tokenizer = GPT2Tokenizer.from_pretrained(MODEL_NAME)
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model = GPT2LMHeadModel.from_pretrained(MODEL_NAME).eval()
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# Añadir un token de padding si el modelo no tiene uno (común en GPT-2)
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if tokenizer.pad_token is None:
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tokenizer.pad_token = tokenizer.eos_token
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except Exception as e:
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logger.error(f"Error al cargar el modelo GPT-2: {e}")
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# Considerar una salida de emergencia o un mensaje al usuario si esto falla
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# --- Funciones de Utilidad ---
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def generate_script(prompt, max_length=300):
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"""
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Genera un guion usando el modelo GPT-2 basado en un prompt dado.
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Ajustamos truncation a True y añadimos un token de padding.
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"""
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logger.info("Generando guion con GPT-2...")
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inputs = tokenizer(prompt, return_tensors="pt", truncation=True, max_length=512) # Truncar para evitar errores
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with torch.no_grad():
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outputs = model.generate(
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**inputs,
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max_length=max_length,
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do_sample=True,
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top_p=0.95,
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top_k=60,
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temperature=0.9,
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pad_token_id=tokenizer.pad_token_id, # Usar el token de padding
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eos_token_id=tokenizer.eos_token_id
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)
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text = tokenizer.decode(outputs[0], skip_special_tokens=True)
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logger.info(f"Guion generado (longitud: {len(text)} caracteres): {text[:200]}...") # Mostrar solo los primeros 200 chars
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return text
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async def text_to_speech(text, voice="es-ES-ElviraNeural", output_path="voz.mp3"):
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"""
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Convierte texto a voz usando Edge TTS.
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"""
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logger.info(f"Generando audio TTS para: {text[:100]}...")
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try:
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communicate = edge_tts.Communicate(text, voice)
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await communicate.save(output_path)
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logger.info(f"Audio guardado en {output_path}")
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except Exception as e:
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logger.error(f"Error al generar audio TTS: {e}")
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raise # Volver a lanzar la excepción para que el llamador la maneje
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def download_video_sample(url):
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"""
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Descarga un archivo de video desde una URL a un archivo temporal.
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"""
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logger.info(f"Descargando video de ejemplo desde: {url}")
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try:
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tmp = tempfile.NamedTemporaryFile(delete=False, suffix=".mp4")
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response = requests.get(url, stream=True, timeout=10) # Añadir timeout
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response.raise_for_status() # Lanza un error para códigos de estado HTTP malos
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for chunk in response.iter_content(chunk_size=1024 * 1024):
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tmp.write(chunk)
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tmp.close()
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logger.info(f"Video descargado a: {tmp.name}")
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return tmp.name
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except requests.exceptions.RequestException as e:
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logger.error(f"Error al descargar el video {url}: {e}")
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if os.path.exists(tmp.name):
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os.remove(tmp.name)
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return None # Retorna None si la descarga falla
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except Exception as e:
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logger.error(f"Error inesperado al descargar video {url}: {e}")
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if os.path.exists(tmp.name):
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os.remove(tmp.name)
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return None
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| 93 |
+
|
| 94 |
+
def loop_audio_to_length(audio_clip, target_duration):
|
| 95 |
+
"""
|
| 96 |
+
Buclea un clip de audio hasta una duración objetivo.
|
| 97 |
+
"""
|
| 98 |
+
if audio_clip.duration >= target_duration:
|
| 99 |
+
return audio_clip.subclip(0, target_duration)
|
| 100 |
+
loops = int(target_duration // audio_clip.duration) + 1
|
| 101 |
+
audios = [audio_clip] * loops
|
| 102 |
+
concatenated = concatenate_videoclips(audios) # No necesitas method="compose" para audio
|
| 103 |
+
return concatenated.subclip(0, target_duration)
|
| 104 |
+
|
| 105 |
+
# --- Función Principal de Creación de Video ---
|
| 106 |
+
|
| 107 |
+
def crear_video(prompt, musica_url=None):
|
| 108 |
+
"""
|
| 109 |
+
Crea un video combinando un guion generado, voz TTS, clips de video y música de fondo.
|
| 110 |
+
"""
|
| 111 |
+
logger.info(f"Iniciando creación de video para el prompt: '{prompt}'")
|
| 112 |
+
temp_files = [] # Para llevar un registro de archivos temporales a limpiar
|
| 113 |
|
|
|
|
|
|
|
| 114 |
try:
|
| 115 |
+
# 1. Generar guion
|
| 116 |
+
guion = generate_script(prompt, max_length=200) # Ajusta max_length si quieres guiones más largos
|
| 117 |
+
|
| 118 |
+
# 2. Generar audio TTS
|
| 119 |
+
voz_archivo = os.path.join(tempfile.gettempdir(), "voz_temp.mp3")
|
| 120 |
+
temp_files.append(voz_archivo)
|
| 121 |
+
asyncio.run(text_to_speech(guion, output_path=voz_archivo))
|
| 122 |
+
audio_tts = AudioFileClip(voz_archivo)
|
| 123 |
+
|
| 124 |
+
# 3. Descargar videos de ejemplo
|
| 125 |
+
# ¡IMPORTANTE! Aquí debes reemplazar estas URLs con URLs de videos reales y variados
|
| 126 |
+
# o implementar una lógica para buscar y descargar videos relevantes.
|
| 127 |
+
# Por ahora, usaré URLs de ejemplo distintas para simular variedad.
|
| 128 |
+
video_urls = [
|
| 129 |
+
"https://www.learningcontainer.com/wp-content/uploads/2020/05/sample-mp4-file.mp4",
|
| 130 |
+
"https://file-examples.com/storage/fe2c91b5c46522c0734a74a/2017/04/file_example_MP4_480_1_5MG.mp4",
|
| 131 |
+
"https://sample-videos.com/video123/mp4/720/big_buck_bunny_720p_1mb.mp4"
|
| 132 |
+
]
|
| 133 |
|
| 134 |
+
clips = []
|
| 135 |
+
video_download_success = False
|
| 136 |
+
for i, url in enumerate(video_urls):
|
| 137 |
+
video_path = download_video_sample(url)
|
| 138 |
+
if video_path:
|
| 139 |
+
temp_files.append(video_path)
|
| 140 |
+
try:
|
| 141 |
+
clip = VideoFileClip(video_path).subclip(0, min(10, VideoFileClip(video_path).duration)) # máximo 10 segundos o duración real
|
| 142 |
+
clips.append(clip)
|
| 143 |
+
video_download_success = True
|
| 144 |
+
except Exception as e:
|
| 145 |
+
logger.warning(f"No se pudo cargar el clip de video {video_path}: {e}")
|
| 146 |
+
else:
|
| 147 |
+
logger.warning(f"No se pudo descargar el video de la URL: {url}")
|
| 148 |
|
| 149 |
+
if not video_download_success or not clips:
|
| 150 |
+
logger.error("No se pudieron obtener clips de video válidos. Abortando creación de video.")
|
| 151 |
+
raise ValueError("No hay clips de video disponibles para crear el video.")
|
| 152 |
+
|
| 153 |
+
# 4. Concatenar videos
|
| 154 |
+
video_final = concatenate_videoclips(clips, method="compose")
|
| 155 |
|
| 156 |
+
# Asegurarse de que el video sea al menos tan largo como el audio TTS si es posible
|
| 157 |
+
if video_final.duration < audio_tts.duration:
|
| 158 |
+
logger.info("Duración del video es menor que la del audio. Intentando extender el video.")
|
| 159 |
+
# Repetir el video si es necesario, o al menos el último clip
|
| 160 |
+
num_repeats = int(audio_tts.duration / video_final.duration) + 1
|
| 161 |
+
repeated_clips = [video_final] * num_repeats
|
| 162 |
+
video_final = concatenate_videoclips(repeated_clips, method="compose").subclip(0, audio_tts.duration)
|
| 163 |
+
|
| 164 |
+
|
| 165 |
+
# 5. Música de fondo en loop si está definida
|
| 166 |
+
mezcla_audio = audio_tts # Por defecto, solo la voz
|
| 167 |
+
if musica_url and musica_url.strip():
|
| 168 |
+
musica_path = download_video_sample(musica_url)
|
| 169 |
+
if musica_path:
|
| 170 |
+
temp_files.append(musica_path)
|
| 171 |
+
try:
|
| 172 |
+
musica_audio = AudioFileClip(musica_path)
|
| 173 |
+
# Loop música a duración del video final
|
| 174 |
+
musica_loop = loop_audio_to_length(musica_audio, video_final.duration)
|
| 175 |
+
# Mezclar audio TTS y música (TTS al 100%, música al 30%)
|
| 176 |
+
mezcla_audio = CompositeAudioClip([musica_loop.volumex(0.3), audio_tts.set_duration(video_final.duration).volumex(1.0)])
|
| 177 |
+
except Exception as e:
|
| 178 |
+
logger.warning(f"No se pudo procesar la música de fondo: {e}. Se usará solo la voz.")
|
| 179 |
+
else:
|
| 180 |
+
logger.warning("No se pudo descargar la música. Se usará solo la voz.")
|
| 181 |
|
| 182 |
+
# 6. Asignar audio al video y ajustar duración del video a la duración del audio TTS
|
| 183 |
+
# Es crucial que el video tenga al menos la misma duración que el audio combinado.
|
| 184 |
+
video_final = video_final.set_audio(mezcla_audio).subclip(0, mezcla_audio.duration)
|
| 185 |
+
|
| 186 |
+
|
| 187 |
+
# 7. Guardar video final
|
| 188 |
+
output_dir = "generated_videos"
|
| 189 |
+
os.makedirs(output_dir, exist_ok=True)
|
| 190 |
+
output_path = os.path.join(output_dir, f"video_output_{datetime.now().strftime('%Y%m%d_%H%M%S')}.mp4")
|
| 191 |
+
logger.info(f"Escribiendo video final a: {output_path}")
|
| 192 |
+
video_final.write_videofile(output_path, fps=24, threads=4, logger=None, preset="medium") # Mejorar preset para calidad
|
| 193 |
+
|
| 194 |
+
logger.info(f"Video generado exitosamente en: {output_path}")
|
| 195 |
+
return output_path
|
| 196 |
+
|
| 197 |
except Exception as e:
|
| 198 |
+
logger.error(f"Error general en la creación del video: {e}", exc_info=True)
|
| 199 |
+
return None
|
| 200 |
+
finally:
|
| 201 |
+
# 8. Limpiar archivos temporales
|
| 202 |
+
for f in temp_files:
|
| 203 |
+
if os.path.exists(f):
|
| 204 |
+
try:
|
| 205 |
+
os.remove(f)
|
| 206 |
+
logger.info(f"Archivo temporal eliminado: {f}")
|
| 207 |
+
except Exception as e:
|
| 208 |
+
logger.warning(f"No se pudo eliminar el archivo temporal {f}: {e}")
|
| 209 |
+
# Cerrar los clips de moviepy explícitamente para liberar recursos
|
| 210 |
+
for clip in clips:
|
| 211 |
+
if clip:
|
| 212 |
+
clip.close()
|
| 213 |
+
if 'audio_tts' in locals() and audio_tts:
|
| 214 |
+
audio_tts.close()
|
| 215 |
+
if 'musica_audio' in locals() and musica_audio:
|
| 216 |
+
musica_audio.close()
|
| 217 |
+
if 'video_final' in locals() and video_final:
|
| 218 |
+
video_final.close()
|
| 219 |
+
|
| 220 |
+
|
| 221 |
+
def run_app(prompt, musica_url):
|
| 222 |
+
"""
|
| 223 |
+
Función envoltorio para Gradio que maneja la ejecución y los errores.
|
| 224 |
+
"""
|
| 225 |
+
logger.info(f"Solicitud recibida en run_app con prompt: '{prompt}', musica_url: '{musica_url}'")
|
| 226 |
+
if not prompt.strip():
|
| 227 |
+
gr.Warning("Por favor, introduce un tema para generar el guion.")
|
| 228 |
+
return None
|
| 229 |
|
|
|
|
|
|
|
| 230 |
try:
|
| 231 |
+
video_path = crear_video(prompt, musica_url if musica_url.strip() else None)
|
| 232 |
+
if video_path:
|
| 233 |
+
logger.info(f"Proceso completado. Video disponible en: {video_path}")
|
| 234 |
+
return video_path
|
|
|
|
|
|
|
| 235 |
else:
|
| 236 |
+
gr.Error("Hubo un problema al generar el video. Revisa los logs para más detalles.")
|
| 237 |
+
return None
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 238 |
except Exception as e:
|
| 239 |
+
logger.error(f"Error inesperado al ejecutar la aplicación: {e}", exc_info=True)
|
| 240 |
+
gr.Error(f"Ocurrió un error: {e}. Por favor, inténtalo de nuevo.")
|
| 241 |
+
return None
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 242 |
|
| 243 |
+
# --- Interfaz de Gradio ---
|
| 244 |
+
with gr.Blocks() as app:
|
| 245 |
gr.Markdown("""
|
| 246 |
+
### 🎬 Generador de Video con IA
|
| 247 |
+
Introduce un tema, y la IA generará un guion, lo convertirá a voz, le añadirá videos de ejemplo y música de fondo.
|
| 248 |
""")
|
| 249 |
+
with gr.Row():
|
| 250 |
+
prompt_input = gr.Textbox(label="Introduce el tema para generar el guion", lines=3, placeholder="Ej: Las maravillas de la inteligencia artificial y su futuro.")
|
| 251 |
+
musica_input = gr.Textbox(label="URL de Música de Fondo (opcional)", placeholder="Ej: https://www.soundhelix.com/examples/mp3/SoundHelix-Song-1.mp3")
|
| 252 |
|
| 253 |
+
boton = gr.Button("🚀 Generar Video")
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 254 |
|
| 255 |
+
# Usamos gr.Column para organizar mejor la salida y mensajes
|
| 256 |
+
with gr.Column():
|
| 257 |
+
salida_video = gr.Video(label="Video Generado", interactive=False)
|
| 258 |
+
estado_mensaje = gr.Textbox(label="Estado", interactive=False, visible=True)
|
| 259 |
+
|
| 260 |
+
# Conectar el botón a la función run_app
|
| 261 |
+
# Añadimos un paso intermedio para actualizar el estado mientras se procesa
|
| 262 |
+
boton.click(
|
| 263 |
+
fn=lambda: gr.update(value="Generando video... Por favor, espera."),
|
| 264 |
+
outputs=estado_mensaje,
|
| 265 |
+
queue=False
|
| 266 |
+
).then(
|
| 267 |
+
fn=run_app,
|
| 268 |
+
inputs=[prompt_input, musica_input],
|
| 269 |
+
outputs=salida_video
|
| 270 |
+
).then(
|
| 271 |
+
fn=lambda: gr.update(value="¡Video generado exitosamente!"),
|
| 272 |
+
outputs=estado_mensaje,
|
| 273 |
+
queue=False
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 274 |
)
|
| 275 |
+
# Resetear el mensaje de estado si el usuario cambia el prompt
|
| 276 |
+
prompt_input.change(fn=lambda: gr.update(value=""), outputs=estado_mensaje, queue=False)
|
| 277 |
+
musica_input.change(fn=lambda: gr.update(value=""), outputs=estado_mensaje, queue=False)
|
| 278 |
+
|
| 279 |
|
| 280 |
if __name__ == "__main__":
|
| 281 |
+
logger.info("Iniciando aplicación Gradio...")
|
| 282 |
+
app.launch(server_name="0.0.0.0", server_port=7860, share=False) # share=True si quieres un enlace público
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|